import java.util.Arrays;

/**
 * @ClassName ArrayTest
 * @Description TODO
 * @Author lwj
 * @Date 2021/3/7 20:34
 * @Version 1.0
 */
public class ArrayTest {
    public static void main(String[] args) {
        int[] arr = new int[4];
        for (int i : arr) {
            System.out.println(i);
        }
    }
}
